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2018 HJG HD75A DTH Hammer Cop64 DHD360图12018 HJG HD75A DTH Hammer Cop64 DHD360图22018 HJG HD75A DTH Hammer Cop64 DHD360图32018 HJG HD75A DTH Hammer Cop64 DHD360图42018 HJG HD75A DTH Hammer Cop64 DHD360图52018 HJG HD75A DTH Hammer Cop64 DHD360图6

2018 HJG HD75A DTH Hammer Cop64 DHD360

Price $0.00
Min Order 1 Piece  
Shipping from Hunan, China
Quantity
-+
Product details
Cop64 DHD 360
Customized
JIS, AISI, API
Jobber-length
Gun Drill Bit
High Carbon Steel
Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
Mining
HJG
China
84123100
Product Description
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.

It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.


Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1258 mm120.00 kg Φ165 mm  Cop64 DHD360Φ175mm _ Φ216mmAPI 3 1/2'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa2.4 MPa
1.0 - 2.5 MPa23 Hz20-30 rpm11 m³/min 20 m³/min28 m³/min
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Changsha Heijingang Industrial Co., Ltd.

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